Home / 210,132.96-289,983.12-114,639.66

Finding the Fourth Proportional to 210,132.96, 289,983.12 and 114,639.66

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Solution

The fourth proportional to 210,132.96, 289,983.12 and 114,639.66 is: 158,202.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,132.96 : 289,983.12 = 114,639.66 : x
  2. Step 2: Convert to fraction form
    210,132.96/289,983.12 = 114,639.66/x
  3. Step 3: Cross multiply
    210,132.96x = 289,983.12 × 114,639.66
  4. Step 4: Simplify right side
    210,132.96x = 33,243,566,282.54
  5. Step 5: Solve for x
    x = 33,243,566,282.54/210,132.96
  6. Step 6: Final answer
    x = 158,202.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.